+/*******************************************************************************
+ *
+ * FUNCTION: acpi_populate_handler_object
+ *
+ * PARAMETERS: handler_obj - Handler object to populate
+ * handler_type - The type of handler:
+ * ACPI_SYSTEM_NOTIFY: system_handler (00-7f)
+ * ACPI_DEVICE_NOTIFY: driver_handler (80-ff)
+ * ACPI_ALL_NOTIFY: both system and device
+ * handler - Address of the handler
+ * context - Value passed to the handler on each GPE
+ * next - Address of a handler object to link to
+ *
+ * RETURN: None
+ *
+ * DESCRIPTION: Populate a handler object.
+ *
+ ******************************************************************************/
+static void
+acpi_populate_handler_object(struct acpi_object_notify_handler *handler_obj,
+ u32 handler_type,
+ acpi_notify_handler handler, void *context,
+ struct acpi_object_notify_handler *next)
+{
+ handler_obj->handler_type = handler_type;
+ handler_obj->handler = handler;
+ handler_obj->context = context;
+ handler_obj->next = next;
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_add_handler_object
+ *
+ * PARAMETERS: parent_obj - Parent of the new object
+ * handler - Address of the handler
+ * context - Value passed to the handler on each GPE
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Create a new handler object and populate it.
+ *
+ ******************************************************************************/
+static acpi_status
+acpi_add_handler_object(struct acpi_object_notify_handler *parent_obj,
+ acpi_notify_handler handler, void *context)
+{
+ struct acpi_object_notify_handler *handler_obj;
+
+ /* The parent must not be a defice notify handler object. */
+ if (parent_obj->handler_type & ACPI_DEVICE_NOTIFY)
+ return AE_BAD_PARAMETER;
+
+ handler_obj = ACPI_ALLOCATE_ZEROED(sizeof(*handler_obj));
+ if (!handler_obj)
+ return AE_NO_MEMORY;
+
+ acpi_populate_handler_object(handler_obj,
+ ACPI_SYSTEM_NOTIFY,
+ handler, context,
+ parent_obj->next);
+ parent_obj->next = handler_obj;
+
+ return AE_OK;
+}
+